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Finding the Fourth Proportional to 293,074.20, 439,611.30 and 265,955.40

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Solution

The fourth proportional to 293,074.20, 439,611.30 and 265,955.40 is: 398,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,074.20 : 439,611.30 = 265,955.40 : x
  2. Step 2: Convert to fraction form
    293,074.20/439,611.30 = 265,955.40/x
  3. Step 3: Cross multiply
    293,074.20x = 439,611.30 × 265,955.40
  4. Step 4: Simplify right side
    293,074.20x = 116,916,999,136.02
  5. Step 5: Solve for x
    x = 116,916,999,136.02/293,074.20
  6. Step 6: Final answer
    x = 398,933.10

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